The Nady Encore 1 Single Channel VHF Wireless Lavaliere Microphone and Bodypack System is loaded with top professional operating features. Available on selected frequencies in the VHF high-band (171-216 MHz) for interference-free, long-range performance. The half-rack receiver design with retractable front panel antennas and unique snap-out panel locking tabs provide optional single receiver rackmounting or dual receiver (side-by-side) rackmounting. RF and AF 5-LED displays are excellent for monitoring incoming signal strength and audio level. Other features include: balanced XLR and unbalanced adjustable1/4" jack output, noiseless transmitter On/Off switching, operating time of up to 15 hours on a single 9V alkaline battery, locking 3.5mm mini-jack provides secure connection for removable microphone or instrument cable, easily accessible Input Level Adjust for optimal sound.